Z Hu, CMS collaboration - Journal of Physics: Conference …, 2013 - iopscience.iop.org
… collisions, RAA, is measured as a function of the collision … the RAA values for Υ(1S), Υ(2S),
and the upper limit of Υ(3S) … sequential suppression of the Υ(nS) states in PbPb collisions …